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#!/usr/bin/env python3
print(r'''use askama::Template;
#[derive(Template)]
#[template(
source = "{% for v in values %}{{v}}{% else %}empty{% endfor %}",
ext = "txt"
)]
struct ForElse<'a> {
values: &'a [i32],
}
#[test]
fn test_for_else() {
let t = ForElse { values: &[1, 2, 3] };
assert_eq!(t.render().unwrap(), "123");
let t = ForElse { values: &[] };
assert_eq!(t.render().unwrap(), "empty");
}
''')
for i in range(2**6):
a = '-' if i & 2**0 else ' '
b = '-' if i & 2**1 else ' '
c = '-' if i & 2**2 else ' '
d = '-' if i & 2**3 else ' '
e = '-' if i & 2**4 else ' '
f = '-' if i & 2**5 else ' '
source = fr'a {{%{a}for v in values{b}%}}\t{{{{v}}}}\t{{%{c}else{d}%}}\nX\n{{%{e}endfor{f}%}} b'
a = '' if i & 2**0 else r' '
b = '' if i & 2**1 else r'\t'
c = '' if i & 2**2 else r'\t'
d = '' if i & 2**3 else r'\n'
e = '' if i & 2**4 else r'\n'
f = '' if i & 2**5 else r' '
some = f'a{a}{b}1{c}{f}b'
none = f'a{a}{d}X{e}{f}b'
print(f'''#[derive(Template)]
#[template(
source = "{source}",
ext = "txt"
)]
struct LoopElseTrim{i:02}<'a> {{
values: &'a [i32],
}}
#[test]
fn test_loop_else_trim{i:02}() {{
let t = LoopElseTrim{i:02} {{ values: &[1] }};
assert_eq!(t.render().unwrap(), "{some}");
let t = LoopElseTrim{i:02} {{ values: &[] }};
assert_eq!(t.render().unwrap(), "{none}");
}}''')
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